A20B-3300-0319電路板
A20B-3300-0319電路板
A20B-3300-0319電路板
模擬量信號連接應注意的問題變頻器中的模擬量輸入信號,通常指0∼10V/5V 的電壓信號或0/4∼20 mA的電流信號;這些模擬量輸入信號可通過接線端子由外部給定,當變頻器與P L C 連接時,這些模擬量輸入信號也可來自PLC 的模擬量輸出信號,如圖3 所示。在進行模擬量的連接時應注意:
(1)阻抗匹配。根據變頻器的輸入阻抗選擇P L C 的輸出模塊,實現兩者的阻抗匹配。
(2)電壓範圍。當變頻器和P L C 的電壓信號範圍不同時(如變頻器的輸入信號為0∼10V,而PLC 的輸出電壓信號範圍為0∼5V 時;或PLC 的一側的輸出信號電壓範圍為0∼10V而變頻器的輸入電壓信號範圍為0∼5V時),需採用串聯電阻的方式進行分壓,以保證兩者在正常電壓範圍內
工作,避免電壓過限可能損壞器件。
(3)採用屏蔽電纜或絞合電纜。對於變頻器和P L C 而言,弱電控制信號(電壓0∼5V/10V、電流0/4∼20mA等)易受到外界強信號的幹擾,對控制信號採取適當的屏蔽措施。常用的方式就是採用屏蔽電纜進行屏蔽;對於長距離的控制回路宜採用絞合電纜,絞合電纜的絞合間距盡可能小。
(4)主、控電纜分開布線。實際連線時,注意主、控電纜分開布線,且相隔的距離。以保證主電路側的幹擾及噪音影響不到控制電路。
SGDV-30D01A-OY
SGMGV-30DDA6H
SGDV-50D01A-OY
SGMGV-44DDA6F
SGDV-210D01A
SGMGV-55DDA6F
SGDV-260D01A
SGMGV-75DDA6F
SGDV-280D01A
SGMGV-1ADDA6F
CIMR-AC4A0139AAA 各2
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CIMR-JB4A0005BBA
CIMR-AB4A0038FBA
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ABB ACS880-304-0820A-7+A018+C183 2
ABB ACS880-01-246A-3+D150+J400+P922 2
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6DD1684-0BH1 1
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266HSHESBB7 1
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6GK5408-8GS00-2AM2 2 臺
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功率模塊ATV1200C 700/045
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櫃頂風機 ATV1200C-D5000049 各1
SKR1MCB1PF755 1 21年面價8690
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YASKAWA ELECTRIC E7BVB021 E7BVB021
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YASKAWA ELECTRIC CACR-IR10101FC CACRIR10101FC
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WESTINGHOUSE 292B930A10 292B930A10
VIBRO METER CMC16 CMC16
TRICONEX 3006 3006
TOTAL CONTROL PRODUCTS QPI-CTA-E0000 QPICTAE0000
TEXAS INSTRUMENTS PLC 575-2104 5752104
TEXAS INSTRUMENTS PLC 565-2820 5652820
TELEMECANIQUE MPC-KT12NAX00N MPCKT12NAX00N
TB WOODS UVC-4050-0H UVC40500H
SYMAX 8030-ROM-121 8030ROM121
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SQUARE D MEL36800LSG MEL36800LSG
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SEIKO INSTRUMENTS & ELECS LTD OFL-760A-26 OFL760A26
SAFTRONICS SAF402.0140 SAF4020140
REXROTH PE110 PE110
REXROTH 0-608-830-141 0608830141
RELIANCE ELECTRIC W/R-67100-B WR67100B
RELIANCE ELECTRIC VZ3000-DASR-1 VZ3000DASR1
RELIANCE ELECTRIC GV3000AC106 GV3000AC106
RELIANCE ELECTRIC GV3000-AC-043 GV3000AC043
RELIANCE ELECTRIC B/M-60031-1 BM600311
RELIANCE ELECTRIC 803456-3T 8034563T
RELIANCE ELECTRIC 61C-613 61C613
RELIANCE ELECTRIC 61C-160 61C160
RELIANCE ELECTRIC 57C-442 57C442
RELIANCE ELECTRIC 50P4161 50P4161
RELIANCE ELECTRIC 45C-15D 45C15D
RELIANCE ELECTRIC 0-60031-4B 0600314B
RELIANCE ELECTRIC 0-55325-37 05532537
RELIANCE ELECTRIC 0-48673-1 0486731
PROSOFT 3100-MCM 3100MCM
PHOENIX CONTACT IBS-IP-500-PS-2-BS IBSIP500PS2BS
PARKER 46987601L 46987601L
ORMEC MAC-B200F/K1A MACB200FK1A
OMRON V530-R160EP V530R160EP
NICOLET PROTEJE-460 PROTEJE460
NEMATRON CORP IWS-2513 IWS2513
NACHI ROP501 ROP501
NACHI ROP500 ROP500
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MOORE PRODUCTS 352PEA21VNNNNAW 352PEA21VNNNNAW
MODICON PC-CBCA-000 PCCBCA000
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MODICON AS-506P-F16 AS506PF16
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MODICON AM-S980-800 AMS980800
MODICON AM-M909-023 AMM909023
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MODICON 557VIC10200 557VIC10200
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MODICON 140-CPU-213-04C 140CPU21304C
MIYACHI MM-730A MM730A
MITSUBISHI Q173CPU Q173CPU
MITSUBISHI HC-H703BS-A42 HCH703BSA42
MICROMASS LCT LCT
MEASUREX 51402089-100 51402089100
MEASUREX 51198947-100 51198947100
MARCONI ASX-1000-10AC ASX100010AC
MAGNETEK R762 R762
LOUIS ALLIS 46S1676-1010 46S16761010
LOUIS ALLIS 46S01676-0050 46S016760050
LENZE EVS9327-ESV906 EVS9327ESV906
KUNKLE 6252FLK01AS0020 6252FLK01AS0020